New: Add Australia to list of Certifications

Fixes #5351

frontend/src/Settings/Metadata/Options/MetadataOptions.js

@@ -10,8 +10,14 @@ import { inputTypes } from 'Helpers/Props';
 import translate from 'Utilities/String/translate';
 
 export const certificationCountryOptions = [
-  { key: 'us', value: 'United States' },
-  { key: 'gb', value: 'Great Britain' }
+  { key: 'au', value: 'Australia' },
+  { key: 'br', value: 'Brazil' },
+  { key: 'ca', value: 'Canada' },
+  { key: 'fr', value: 'France' },
+  { key: 'de', value: 'Germany' },
+  { key: 'gb', value: 'Great Britain' },
+  { key: 'it', value: 'Italy' },
+  { key: 'us', value: 'United States' }
 ];
 
 function MetadataOptions(props) {

src/NzbDrone.Core/MetadataSource/SkyHook/Resource/TMDbCountryCode.cs

@@ -2,7 +2,13 @@ namespace NzbDrone.Core.MetadataSource.SkyHook.Resource
 {
     public enum TMDbCountryCode
     {
-        US,
-        GB
+        AU, //Australia
+        BR, //Brazil
+        CA, //Canada
+        FR, //France
+        DE, //Germany
+        GB, //Great Britain
+        IT, //Italy
+        US //United States
     }
 }